/* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This Original Code and all software distributed under the License are * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ /*- * Copyright (c) 1991, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)if_slvar.h 8.3 (Berkeley) 2/1/94 * */ #ifndef _NET_IF_SLVAR_H_ #define _NET_IF_SLVAR_H_ #include <sys/appleapiopts.h> #ifndef DONT_WARN_OBSOLETE #warning if_slvar.h is not used by the darwin kernel #endif #include <sys/callout.h> #include <sys/mbuf.h> #include <net/slcompress.h> #ifdef __APPLE_API_PRIVATE /* * Definitions for SLIP interface data structures * * (This exists so programs like slstats can get at the definition * of sl_softc.) */ struct sl_softc { struct ifnet sc_if; /* network-visible interface */ struct ifqueue sc_fastq; /* interactive output queue */ struct tty *sc_ttyp; /* pointer to tty structure */ u_char *sc_mp; /* pointer to next available buf char */ u_char *sc_ep; /* pointer to last available buf char */ u_char *sc_buf; /* input buffer */ u_int sc_flags; /* see below */ u_int sc_escape; /* =1 if last char input was FRAME_ESCAPE */ long sc_lasttime; /* last time a char arrived */ long sc_abortcount; /* number of abort escape chars */ long sc_starttime; /* time of first abort in window */ u_int sc_keepalive; /* time to decide link hang */ u_int sc_outfill; /* time to send FRAME_END when output idle */ /* * Handles for scheduling outfill and * keepalive timeouts. */ #if FB3x struct callout_handle sc_ofhandle; struct callout_handle sc_kahandle; #endif struct slcompress sc_comp; /* tcp compression data */ }; /* internal flags */ #define SC_ERROR 0x0001 /* had an input error */ #define SC_OUTWAIT 0x0002 /* waiting for output fill */ #define SC_KEEPALIVE 0x0004 /* input keepalive */ #define SC_STATIC 0x0008 /* it is static unit */ /* visible flags */ #define SC_COMPRESS IFF_LINK0 /* compress TCP traffic */ #define SC_NOICMP IFF_LINK1 /* suppress ICMP traffic */ #define SC_AUTOCOMP IFF_LINK2 /* auto-enable TCP compression */ #endif /* __APPLE_API_PRIVATE */ #endif